U
    /eL                      @  s   d dl mZ d dlZd dlZd dlZd dlmZ d dlmZ d dl	m
Z
mZ d dlmZ d dlmZmZmZ e
rd dlmZmZmZmZ eeZeG d	d
 d
ZG dd deZdddddddZdS )    )annotationsN)defaultdict)	dataclass)TYPE_CHECKINGAny)SchedulerPlugin)	ShuffleIdbarrier_keyid_from_key)Recs	SchedulerTaskStateStateWorkerStatec                   @  sF   e Zd ZU ded< ded< ded< ded< d	ed
< d	ed< d	ed< dS )ShuffleStater   idzdict[int, str]
worker_forbytesschemastrcolumnzset[str]output_workerscompleted_workersparticipating_workersN)__name__
__module____qualname____annotations__ r   r   L/tmp/pip-unpacked-wheel-g426oqom/distributed/shuffle/_scheduler_extension.pyr      s   
r   c                   @  s   e Zd ZU dZded< ded< ded< ded	< d
ed< ddddZddddZddddddZdddddddddZdd d!d"d#Z	dddd$d%d&Z
dd'd'd(d(dd)d*d+Zdddd,d-d.Zddd!d/d0Zddd1d2d3Zd4S )5ShuffleSchedulerExtensionz
    Shuffle extension for the scheduler

    Today this mostly just collects heartbeat messages for the dashboard,
    but in the future it may be responsible for more

    See Also
    --------
    ShuffleWorkerExtension
    r   	schedulerzdict[ShuffleId, ShuffleState]stateszdefaultdict[ShuffleId, dict]
heartbeatszset[ShuffleId]
tombstoneszdict[ShuffleId, Exception]erred_shuffles)r    c                 C  sT   || _ | j j| j| j| jd tdd | _i | _t	 | _
i | _| j |  d S )N)Zshuffle_getZ!shuffle_get_participating_workersZshuffle_register_completec                   S  s   t tS N)r   dictr   r   r   r   <lambda>9       z4ShuffleSchedulerExtension.__init__.<locals>.<lambda>)r    handlersupdategetget_participating_workersregister_completer   r"   r!   setr#   r$   Z
add_pluginselfr    r   r   r   __init__0   s    z"ShuffleSchedulerExtension.__init__)returnc                 C  s
   t | jS r%   )r.   r!   )r0   r   r   r   shuffle_ids?   s    z%ShuffleSchedulerExtension.shuffle_idsr   r&   None)wsdatar2   c                 C  s8   |  D ]*\}}||  kr| j| |j | qd S r%   )itemsr3   r"   addressr*   )r0   r5   r6   
shuffle_iddr   r   r   	heartbeatB   s    z#ShuffleSchedulerExtension.heartbeatr   zbytes | Nonez
str | Nonez
int | Noner   )r   r   r   npartitionsworkerr2   c              	   C  sB  || j krdd| ddS | j| }r:dt|dS || jkr|d k	sRt|d k	s^t|d k	sjtt| jj}t	 }t
|}	i }
| jj|	 jD ]V}|jd }|jrt|jd }nt|||}||
|< || | j|j|hi qt||
|||t	 | d}|| j|< | j| }|j| d|j|j|j|jd	S )
NERRORShuffle z has already been forgotten)statusmessageshuffler   )r   r   r   r   r   r   r   OK)r@   r   r   r   r   )r#   r$   r+   r   r!   AssertionErrorlistr    workersr.   r	   tasks
dependentsr   worker_restrictionsget_worker_foraddZset_restrictionskeyr   copyr   r   r   r   r   )r0   r   r   r   r<   r=   	exceptionrF   r   namemappingtspartZoutput_workerstater   r   r   r+   G   sP    	



	

zShuffleSchedulerExtension.get	list[str])r   r2   c                 C  s   t | j| jS r%   )rE   r!   r   r0   r   r   r   r   r,      s    z3ShuffleSchedulerExtension.get_participating_workers)r    r=   r2   c                   s\  t  }g }ddlm} i }d|  }g }| j D ]\}	}
||
jkrHq4td| d|	 }|| j|	< |
j }|| |	|	 t
|	}| jj|}|r4|| ||jdt||	dt|d q4tj|d	d
iI d H }|D ]B}|jdkr|jD ],}||jkrq|j  ||jdi qq| jj||d dd |D }|rXt|d S )Nr   )timezshuffle-failed-worker-left-zWorker z left during active shuffle Zshuffle_fail)oprA   r9   )msgrF   Zreturn_exceptionsTZmemoryZwaiting)stimulus_idc                 S  s   g | ]}t |tr|qS r   )
isinstance	Exception).0resultr   r   r   
<listcomp>   s     
 z;ShuffleSchedulerExtension.remove_worker.<locals>.<listcomp>)r.   rV   r!   r7   r   RuntimeErrorr$   rM   discardrK   r	   r    rG   r+   append	broadcastr   rE   asyncioZgatherrS   rH   rI   clearr*   rL   Ztransitions)r0   r    r=   Zaffected_shufflesZ
broadcastsrV   ZrecsrY   Zbarriersr9   rS   rN   Zcontact_workersrO   Zbarrier_taskresultsdt
exceptionsr   r   r   remove_worker   sR    








z'ShuffleSchedulerExtension.remove_workerr   r   )rL   startfinishargskwargsr2   c                   sj   |dkrd S | dsd S t|  | jkr0d S | j  j} fdd|D }|   | ji | d S )NZ	forgottenzshuffle-barrier-c                   s$   i | ]}|d  d  ddgqS )zshuffle-failr?   z
 forgotten)rW   r9   rA   r   )r\   r=   r9   r   r   
<dictcomp>   s   
z8ShuffleSchedulerExtension.transition.<locals>.<dictcomp>)
startswithr
   r!   r   _clean_on_schedulerr    Zsend_all)r0   rL   ri   rj   rk   rl   r   Zworker_msgsr   rm   r   
transition   s    




z$ShuffleSchedulerExtension.transition)r   r=   r2   c                 C  sB   | j | }r||| jkr,td dS | j| j| dS )z@Learn from a worker that it has completed all reads of a shufflez:Worker shuffle reported complete after shuffle was removedN)r$   r+   r!   loggerinfor   rK   )r0   r   r=   rN   r   r   r   r-      s    

z+ShuffleSchedulerExtension.register_completec              	   C  sD   | j | | j|= | j|d  tt | j|= W 5 Q R X d S r%   )	r#   rK   r!   r$   pop
contextlibsuppressKeyErrorr"   rU   r   r   r   rp      s
    z-ShuffleSchedulerExtension._clean_on_scheduler)r    r2   c                 C  s,   | j   | j  | j  | j  d S r%   )r!   rd   r"   r#   r$   r/   r   r   r   restart   s    


z!ShuffleSchedulerExtension.restartN)r   r   r   __doc__r   r1   r3   r;   r+   r,   rh   rq   r-   rp   rx   r   r   r   r   r      s    
:5	r   intrT   r   )output_partitionrF   r<   r2   c                 C  s   t ||  | }|| S )zLGet the address of the worker which should hold this output partition number)len)r{   rF   r<   ir   r   r   rJ      s    rJ   )
__future__r   rc   ru   loggingcollectionsr   Zdataclassesr   typingr   r   Zdistributed.diagnostics.pluginr   Zdistributed.shuffle._shuffler   r	   r
   Zdistributed.schedulerr   r   r   r   	getLoggerr   rr   r   r   rJ   r   r   r   r   <module>   s    

 P